Chlorite effects compared to sulfate in combination with forms of nitrogen on yields of oat and Chinese cabbage

Avonyo K.A
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Abstract

To valorise sediments of iron mineral extraction zone of about 2500ha of coverage in Liberia, a concept of appropiate fertilizer was developed. A comparative study was carried out on two types of soil : a soil riched in organic matter called arable land and a soil formed exclusively with sediments called sediments or Tailings Pond. The results revealed that the choice of fertilizer types and forms played an important role in yield increase. Therefore, the best yields were obtained with the combination of the different forms of Nitrogen fertilizers and different forms of calcium and potassium fertilizers. The use of sawdust as supportive organic matter, from the different combinations, has increased or dercreased the yields of the two types of soils.
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亚氯酸盐对燕麦和大白菜产量的影响与硫酸盐与氮素组合的影响比较
为了评估利比里亚约2500公顷铁矿采掘区沉积物的价值,提出了适当肥料的概念。对两种类型的土壤进行了比较研究:一种是富含有机质的土壤,称为耕地,另一种是完全由沉积物形成的土壤,称为沉积物或尾矿库。结果表明,肥料类型和形态的选择对产量的提高起着重要作用。因此,不同形式的氮肥和不同形式的钙、钾肥配施产量最佳。使用不同组合的木屑作为支持有机质,增加或减少了两种土壤的产量。
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